.header-button-group .header-button {
	-fx-background-repeat: no-repeat;
	-fx-pref-width: 44;
	-fx-pref-height: 28;
}
.header-button-group>.container {
	-fx-spacing: 1;
	-fx-padding: 0px 0px 0px 0px;
}
.header-button.close {
	-fx-background-image: url("");
}
.header-button.close:disabled {
	-fx-background-image: url("");
}
.header-button.close:hover {
	-fx-background-image: url("");
}
.root:inactive .header-button.close {
	-fx-background-image: url("");
}
.header-button.maximize {
	-fx-background-image: url("");
}
.header-button.maximize:disabled {
	-fx-background-image: url("");
}
.header-button.maximize:hover {
	-fx-background-image: url("");
}
.root:inactive .header-button.maximize {
	-fx-background-image: url("");
}
.header-button.minimize {
	-fx-background-image: url("");
}
.header-button.minimize:disabled {
	-fx-background-image: url("");
}
.header-button.minimize:hover {
	-fx-background-image: url("");
}
.root:inactive .header-button.minimize {
	-fx-background-image: url("");
}
.root:maximized .header-button.maximize {
	-fx-background-image: url("");
}
.root:maximized .header-button.maximize:disabled {
	-fx-background-image: url("");
}
.root:maximized .header-button.maximize:hover {
	-fx-background-image: url("");
}
.root:maximized:inactive .header-button.maximize {
	-fx-background-image: url("");
}
